8405901

素因数分解:

$3^2\times 7^4\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 30

約数和(自身を含む): 14201070

約数和(自身を除く): 5795169

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 389, 441, 1029, 1167, 2401, 2723, 3087, 3501, 7203, 8169, 19061, 21609, 24507, 57183, 133427, 171549, 400281, 933989, 1200843, 2801967, 8405901]

約数ペア:

[(1, 8405901), (3, 2801967), (7, 1200843), (9, 933989), (21, 400281), (49, 171549), (63, 133427), (147, 57183), (343, 24507), (389, 21609), (441, 19061), (1029, 8169), (1167, 7203), (2401, 3501), (2723, 3087)]